Knowledge Test Class B #1
Class B Driving Test | Alabama 2025 #1 Page 3 of 7
Train for FREE online with our Alabama class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a AL CDL class B permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.
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15 . In a vehicle with dual parking control valves, once air pressure is lost and the spring brakes come on:
The air tanks will automatically refill to a safe air pressure level.
In a vehicle with dual parking control valves, there is a separate air tank that can be used to temporarily release the spring brakes if they have been activated due to low air pressure. Pushing in the proper control will release the spring brakes for a short period of time, allowing the driver to move the vehicle in an emergency.
16 . In a dual air brake system, air pressure should build from 85 to 100 psi within ____ seconds.
When inspecting a vehicle with a dual air brake system, you should wait for air pressure to build from 85 to 100 psi in both the primary and secondary systems. This should take about 45 seconds.
17 . If you must drive in reverse, it is helpful to:
Stick your head out the window and look backward.
If you must drive in reverse, you should first walk around the vehicle to check for hazards in your path of travel. Make frequent use of the mirrors on both sides of your vehicle while backing. Always back up as slowly as possible.
18 . A Class 1 hazardous material is:
The first hazardous materials class includes explosives such as ammunition, dynamite, and fireworks.
19 . Slow down and be extra careful:
Slow down and be especially careful when driving in and around work zones, in places where the pavement drops off sharply at the edge of the road, when foreign objects are present on the road, and on freeway on- and off-ramps.
20 . When making tight maneuvers, it is important for a driver to:
While regular mirror checks should always be part of your driving routine, you should make a particular point of checking the mirrors when changing lanes, turning, merging, or making tight maneuvers.
21 . What is removed when an air tank is drained?
In an air brake system, air tanks have drains to remove accumulations of water and compressor oil. Allowing water and oil to accumulate in the system could cause damage to the brakes.
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2025 Alabama | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Alabama, you'll first need to hold a valid Commercial Driver's License (CDL). Next, study the relevant sections of the Alabama CDL manual and take the passenger endorsement knowledge test at your local DMV. Once you pass, you'll be authorized to drive vehicles like buses and shuttles in Alabama.
To obtain a CDL Passenger license in Alabama, you must be at least 21 years old, possess a valid CDL, and pass the Passenger Endorsement Knowledge Test. Some drivers may also need to pass a skills test in the type of vehicle they will be driving. Additionally, you must have a clean driving record and pass a medical examination.
While Alabama doesn't mandate specific training for a CDL Passenger endorsement, it's beneficial to be well-prepared. You need to pass the passenger endorsement knowledge test, so studying the relevant sections of the Alabama CDL manual is crucial. Some applicants opt for professional training programs to gain practical experience and improve their chances of passing the test.
Yes, in Alabama, to acquire a CDL Passenger endorsement, you must pass the passenger endorsement knowledge test. This test focuses on specific knowledge related to carrying passengers, like loading/unloading, emergency procedures, and passenger safety. It's an additional exam to the general CDL tests and is mandatory for this endorsement.
For the CDL Passenger endorsement, you'll need to showcase skills like pre-trip vehicle inspection, proper use of mirrors, executing turns and stops, safe lane changes, and emergency procedures. You'll also need to demonstrate proficiency in loading/unloading passengers, responding to passenger distress, and operating special features like wheelchair lifts.
No, you cannot legally transport passengers in Alabama without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive any vehicle designed to transport 16 or more passengers, including the driver. Driving without the proper endorsement can lead to serious legal consequences, including fines and suspension of your CDL.
Yes, you can add the CDL Passenger endorsement to your existing CDL. You don't need a new license, but you must pass the passenger endorsement knowledge test. Once you pass the test, the endorsement is added to your existing CDL. Remember, this endorsement is necessary for driving vehicles designed to transport 16 or more passengers.
Yes, there are limitations and restrictions for drivers with a CDL Passenger endorsement in Alabama. They are not allowed to operate a commercial vehicle with more than 16 passengers, including the driver. Additionally, they must have a valid medical certificate and are subject to regular drug and alcohol testing.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in Alabama. The minimum age requirement is 21 for drivers operating commercial vehicles across state lines (interstate) or transporting hazardous materials. For intrastate transport (within Alabama), the minimum age is 18. It's important to note that these age requirements apply to all CDLs, not just passenger endorsements.
With a CDL Passenger endorsement, you are eligible to operate vehicles designed to carry 16 or more passengers, including the driver. This includes but is not limited to city buses, school buses, tour buses, and shuttle buses. However, if you plan on driving a school bus, you will need an additional School Bus (S) endorsement.
